Search strategy used in the PubMed database
| No | Search terms |
|---|---|
| 1 | vascular cognitive impairment |
| 2 | mild cognitive impairment |
| 3 | post-stroke cognitive impairment |
| 4 | VCI |
| 5 | or 1–4 |
| 6 | Medicine, Chinese Traditional |
| 7 | Drugs, Chinese Herbal |
| 8 | herbal medicine |
| 9 | Chinese traditional medicine |
| 10 | Traditional Chinese medicine |
| 11 | or 6–10 |
| 12 | 5 and 11 |
This search strategy will be modified as required for other electronic databases.